<fieldset class="skin">
    <legend><?php echo $this->getData('skin'); ?></legend>
    <?php
    if (is_array($this->styles)) {
        if (isset($this->selectedStyles[$this->skin])) {
            $values = $this->selectedStyles[$this->skin];
        } else {
            $values = null;
        }
        echo $this->formMultiCheckbox($this->name . '[' . $this->skin . ']', $values , null, $this->styles, false);
    }
    ?>
</fieldset>
